From d11e9ff8ca0e6fc5525a47eeb0e99637987bb385 Mon Sep 17 00:00:00 2001
From: Adorilson Bezerra <adorilson@gmail.com>
Date: Thu, 9 Apr 2026 14:33:31 +0100
Subject: [PATCH] gh-106318: Add example for str.swapcase() method (#144575)

---
 Doc/library/stdtypes.rst | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index a10551975ed..3d943566be3 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -2775,8 +2775,22 @@ expression support in the :mod:`re` module).
 .. method:: str.swapcase()
 
    Return a copy of the string with uppercase characters converted to lowercase and
-   vice versa. Note that it is not necessarily true that
-   ``s.swapcase().swapcase() == s``.
+   vice versa. For example:
+
+   .. doctest::
+
+      >>> 'Hello World'.swapcase()
+      'hELLO wORLD'
+
+   Note that it is not necessarily true that ``s.swapcase().swapcase() == s``.
+   For example:
+
+   .. doctest::
+
+      >>> 'straße'.swapcase().swapcase()
+      'strasse'
+
+   See also :meth:`str.lower` and :meth:`str.upper`.
 
 
 .. method:: str.title()